Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

470
Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
470
Assessment of the Gastrointestinal System I: Subjective Data01:17

Assessment of the Gastrointestinal System I: Subjective Data

318
Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health History
The initial step in assessing the GI system is obtaining a comprehensive health history. This includes inquiring about the patient's history or presence of problems...
318
Assessment of the Gastrointestinal System II: Health Perception Pattern01:29

Assessment of the Gastrointestinal System II: Health Perception Pattern

172
Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
172
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

162
This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
162

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Expert Clinical Consensus on Body Surface Gastric Mapping Phenotypes for Gastroduodenal Disorders: 'Auckland Classification' v1.0.

Neurogastroenterology and motility·2026
Same author

RE: Do Cannabis Users Require More Anesthesia During Third Molar Removal Under Intravenous General Anesthesia When Compared to Nonusers?

Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons·2026
Same author

Transcriptomics profiles in intestinal sulfide overproduction, small intestinal bacterial overgrowth, and intestinal methanogen overgrowth.

mSystems·2026
Same author

An effective and efficient technique for pyloric sphincter endoscopic functional lumen imaging probe placement using an extra-large-channel therapeutic endoscope.

VideoGIE : an official video journal of the American Society for Gastrointestinal Endoscopy·2026
Same author

A Novel Use of Tenapanor in Patients With Hepatic Encephalopathy: A Case Series.

ACG case reports journal·2026
Same author

Association of pharmacotherapy with all-cause mortality among patients with irritable bowel syndrome.

Communications medicine·2026

Related Experiment Video

Updated: Sep 30, 2025

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
04:54

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq

Published on: March 19, 2021

4.7K

A Smartphone Application Using Artificial Intelligence Is Superior To Subject Self-Reporting When Assessing Stool

Mark Pimentel1,2, Ruchi Mathur1,3, Jiajing Wang1

  • 1Medically Associated Science and Technology (MAST) Program, Cedars-Sinai, Los Angeles, California, USA.

The American Journal of Gastroenterology
|March 15, 2022
PubMed
Summary

A new smartphone app uses artificial intelligence (AI) to accurately assess stool form, outperforming patient self-reports. This AI stool assessment offers a more objective measure for gastroenterology.

More Related Videos

Comparative Analysis of Automatic Fecal Analyzer versus Direct Wet Smear Microscopy for Detecting Parasitic Infections in Stool Samples
04:57

Comparative Analysis of Automatic Fecal Analyzer versus Direct Wet Smear Microscopy for Detecting Parasitic Infections in Stool Samples

Published on: April 25, 2025

617
Concept Development and Use of an Automated Food Intake and Eating Behavior Assessment Method
06:21

Concept Development and Use of an Automated Food Intake and Eating Behavior Assessment Method

Published on: February 19, 2021

5.9K

Related Experiment Videos

Last Updated: Sep 30, 2025

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
04:54

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq

Published on: March 19, 2021

4.7K
Comparative Analysis of Automatic Fecal Analyzer versus Direct Wet Smear Microscopy for Detecting Parasitic Infections in Stool Samples
04:57

Comparative Analysis of Automatic Fecal Analyzer versus Direct Wet Smear Microscopy for Detecting Parasitic Infections in Stool Samples

Published on: April 25, 2025

617
Concept Development and Use of an Automated Food Intake and Eating Behavior Assessment Method
06:21

Concept Development and Use of an Automated Food Intake and Eating Behavior Assessment Method

Published on: February 19, 2021

5.9K

Area of Science:

  • Gastroenterology
  • Medical Imaging
  • Artificial Intelligence

Background:

  • Stool form assessment traditionally relies on subjective patient reporting using the Bristol Stool Scale (BSS).
  • Objective and accurate stool characterization is crucial for diagnosing and managing gastrointestinal conditions.

Purpose of the Study:

  • To evaluate the accuracy of a novel smartphone application utilizing artificial intelligence (AI) for stool form assessment.
  • To compare AI-based stool characterization with subjective patient reports and expert gastroenterologist evaluations.

Main Methods:

  • A smartphone application was developed to capture digital stool images and assess visual characteristics using trained AI.
  • In a validation phase, AI assessments were compared against expert gastroenterologist grading for Bristol Stool Scale (BSS) and other stool characteristics.
  • In an implementation phase, AI-graded stool characteristics were correlated with patient-reported symptom severity in diarrhea-predominant irritable bowel syndrome.

Main Results:

  • The AI demonstrated good agreement with expert gastroenterologists for BSS, consistency, edge fuzziness, fragmentation, and volume.
  • AI significantly outperformed patient self-reports in categorizing stool form (constipation, normal, diarrhea).
  • AI stool characterization showed a better correlation with diarrhea severity scores compared to patient self-reports.

Conclusions:

  • A novel smartphone application with AI can accurately assess stool form and other visual characteristics, comparable to expert evaluations.
  • Trained AI provides a more objective and superior method for stool characterization than subjective patient self-reporting.
  • AI-driven stool assessments hold potential as objective outcome measures in gastroenterological research and clinical practice.